The "iconic and magical" cottonwood trees are the keystone species of the plant world and they're disappearing from Utah ...

Green bark is found on trees and shrubs of many different, unrelated species. In Australia, young bottle trees of Queensland forest and scrubland have green bark that turns dark with age.

The Arbutus Marina and its smaller cousin, Arbutus Unedo, are called strawberry trees. They have peeling, red bark evocative of Manzanita (an evergreen shrub or small tree with smooth orange or ...

Sean O'Brien, from the UNH Cooperative Extension, takes a look at how beech leaf disease spreads and the signs to help you ...

The invasive emerald ash borer beetle is confirmed to be in five new Texas counties, the Texas A&M Forest Service says. The ...